Powerful gales hitting velocities of approximately 155km/h (96mph) have resulted in around 90,000 properties without power and forced authorities to halt in excess of 100 air travel services, based on local media.
The winds are affecting the complete South Island and southern sections of the North Island, according to the country's meteorological service.
New Zealand authorities have released rare red wind warnings - the highest alert level - in key areas encompassing Canterbury and Wellington.
People have been urged to avoid going outside, stay off roads, and make arrangements for additional power and communication outages.
Extensive Damage and Emergency Measures
The power cut seems to be impacting households mostly in the South Island, while authorities state that energy was being gradually reinstated.
Domestic outlets have reported that in some places roofs have been ripped off houses, while trees and electricity poles have been toppled by the gales.
In Wellington, a individual was killed after being struck by a falling limb at a well-known hiking path on Tuesday.
Also in the capital, a individual was blown onto moving cars on a street by a strong gust of wind, in a incident that was captured in a viral dashcam video.
Flights entering and leaving the urban area have been cancelled because of the weather, whereas certain highways and community centers are shut down.
Simultaneously local leaders have announced a crisis declaration, to assist emergency management operations.
Work Stoppages Amid Extreme Conditions
The powerful gales on Thursday come as many of educators, medical professionals and government employees are participating in what has been termed a "major walkout", requesting higher wages and enhanced employment terms.
But the intense climate has forced them to change certain arrangements, with some outdoor rallies shifted to interior venues or called off.
Like conditions are affecting Australia, ushering in a heatwave to the remote areas.
Authorities have declared fire bans for fear of bushfires.
